Classification Of Bone

Question 1

What’s meaning trabeculae

Answer 1

Bone marrow cavities

Question 2

What’s the classes of compact bone

Answer 2

1-primary bone (woven bone)

2-secondary bone (mature bone)

Question 3

How the primary bone produced

Answer 3

It’s the first compact bone produced during fetal development and repair

Question 4

First bone what’s contain

Answer 4

It contains osteocytes , irregularly arranged type 1 Collagen fibers

Question 5

Secondary bone how produced

Answer 5

First bone becames mature or lamellar bone

Question 6

What’s contains secondary bone

Answer 6

It’s contains osteocytes in lacunae, between and within lamellae

Question 7

What’s the site’s of compact bone

Answer 7

1-Shafts of long bones

2-outer and inner tables of flat bone of skull

3-outer covering of flat bones short bone, irregular bones

Question 8

What’s the ossification intramembranous named this

Answer 8

Because the members of mesenchymal converted to bone, without formed cartilage modules

Question 9

What’s the composition of periosteum

Answer 9

1- outer layer (denes irregular c.t with collagenous fibers fibroblasts and blood vessels and nerves)

2-inner layer (osteogenic and osteoprogenitor)

Question 10

What’s the composition of outer fiberous layer

Answer 10

Irregular C.T with collagenous fibers and blood vessels, nervous

Question 11

What’s the composition of inner cellular layer

Answer 11

Osteogenic, osteoprogenitor

Question 12

What’s the composition of endosteoum

Answer 12

Is made of one layer of osteogenic cells and small amounts of C.T

Question 13

What’s the function of C.T

Answer 13

Growth of bone

Question 14

What’s the composition of haversian canal

Answer 14

1-contain loose C.T

2-rich in vessels and nerves

3-They are lined by osteogenic and osteoblast

Question 15

How the Haversian connected together

Answer 15

By Volkmann’s canal

Question 16

What’s the composition of Volkmann’s canal

Answer 16

Same composite of Haversian